2019
DOI: 10.13168/cs.2019.0050
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Microscopic Study of the Concrete / Geopolymer Coating Interface

Abstract: This paper presents an experimental study at microscopic level of the interface between geopolymer coating and concrete. Seven varieties of prepared geopolymer-based materials (GbM) have been applied to industrially prepared concrete bodies. The differences in the composition of the layers as well as in the application type (dry/wet surface) can cause ion migration from the viscose GbM to the solid concrete and reversely from the concrete to the formatted netting of the hardened geopolymer. The interlayer betw… Show more

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Cited by 7 publications
(6 citation statements)
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References 23 publications
(41 reference statements)
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“…According to their findings, after 18 months, the greatest corrosion depth on the fibers was 16 mm in one localized area, and fracture widths up to 0.5 mm would have no detrimental effect on corrosion. Granju and Balouch [108] obtained equivalent findings by pre-cracking specimens in a three-point bending arrangement to create a crack mouth opening of 0.5 mm using a 100 × 100 × 500 mm specimen. The study concludes that even after a year of exposure to a hostile marine-like environment, specimens with cracks left open during the exposure period gained strength at both the peak and post-peak stages.…”
Section: Chloride-induced Corrosion Of Fibers Incorporated In Reinfor...mentioning
confidence: 90%
“…According to their findings, after 18 months, the greatest corrosion depth on the fibers was 16 mm in one localized area, and fracture widths up to 0.5 mm would have no detrimental effect on corrosion. Granju and Balouch [108] obtained equivalent findings by pre-cracking specimens in a three-point bending arrangement to create a crack mouth opening of 0.5 mm using a 100 × 100 × 500 mm specimen. The study concludes that even after a year of exposure to a hostile marine-like environment, specimens with cracks left open during the exposure period gained strength at both the peak and post-peak stages.…”
Section: Chloride-induced Corrosion Of Fibers Incorporated In Reinfor...mentioning
confidence: 90%
“…In some composites, there is a visible interlayer, particularly noticeable in the larger particles of both AGWs (1.25-2 mm and 2-5 mm), implying potential ion transfer between the materials. Interlayer formation has also been observed at interfaces between geopolymers and glass particles or other materials [36,63,64].…”
Section: Scanning Electron Microscope Structure Studymentioning
confidence: 96%
“…GP are synthetic aluminosilicate materials lying between ceramic materials and hydrated binders such as cement. Geopolymers are usually produced at low temperatures below 100 °C and they consist of chains or networks of mineral molecules linked by covalent bonds [1][2][3][4][5][6][7].…”
Section: Introductionmentioning
confidence: 99%